Segment Information (Schedule Of Revenue Disaggregated By Type Of Service) (Details) - USD ($) $ in Thousands	3 Months Ended
	Nov. 30, 2021	Nov. 30, 2020
Disaggregation of Revenue [Line Items]
Revenue	$ 61,259	$ 48,324
Corporate [Member]
Disaggregation of Revenue [Line Items]
Revenue	1,446	1,487
Services And Products [Member]
Disaggregation of Revenue [Line Items]
Revenue	27,481	21,667
Subscriptions [Member]
Disaggregation of Revenue [Line Items]
Revenue	28,356	21,689
Royalties [Member]
Disaggregation of Revenue [Line Items]
Revenue	4,320	3,816
Royalties [Member] | Corporate [Member]
Disaggregation of Revenue [Line Items]
Revenue	344	335
Leases And Other [Member]
Disaggregation of Revenue [Line Items]
Revenue	1,102	1,152
Leases And Other [Member] | Corporate [Member]
Disaggregation of Revenue [Line Items]
Revenue	1,102	1,152
Operating Segments [Member] | Enterprise Division [Member]
Disaggregation of Revenue [Line Items]
Revenue	48,116	39,339
Operating Segments [Member] | Education Division [Member]
Disaggregation of Revenue [Line Items]
Revenue	11,697	7,498
Operating Segments [Member] | Direct Offices [Member] | Enterprise Division [Member]
Disaggregation of Revenue [Line Items]
Revenue	45,119	36,743
Operating Segments [Member] | International Licensees [Member] | Enterprise Division [Member]
Disaggregation of Revenue [Line Items]
Revenue	2,997	2,596
Operating Segments [Member] | Services And Products [Member] | Enterprise Division [Member]
Disaggregation of Revenue [Line Items]
Revenue	24,255	19,743
Operating Segments [Member] | Services And Products [Member] | Education Division [Member]
Disaggregation of Revenue [Line Items]
Revenue	3,226	1,924
Operating Segments [Member] | Services And Products [Member] | Direct Offices [Member] | Enterprise Division [Member]
Disaggregation of Revenue [Line Items]
Revenue	23,851	19,412
Operating Segments [Member] | Services And Products [Member] | International Licensees [Member] | Enterprise Division [Member]
Disaggregation of Revenue [Line Items]
Revenue	404	331
Operating Segments [Member] | Subscriptions [Member] | Enterprise Division [Member]
Disaggregation of Revenue [Line Items]
Revenue	20,512	16,614
Operating Segments [Member] | Subscriptions [Member] | Education Division [Member]
Disaggregation of Revenue [Line Items]
Revenue	7,844	5,075
Operating Segments [Member] | Subscriptions [Member] | Direct Offices [Member] | Enterprise Division [Member]
Disaggregation of Revenue [Line Items]
Revenue	20,512	16,614
Operating Segments [Member] | Royalties [Member] | Enterprise Division [Member]
Disaggregation of Revenue [Line Items]
Revenue	3,349	2,982
Operating Segments [Member] | Royalties [Member] | Education Division [Member]
Disaggregation of Revenue [Line Items]
Revenue	627	499
Operating Segments [Member] | Royalties [Member] | Direct Offices [Member] | Enterprise Division [Member]
Disaggregation of Revenue [Line Items]
Revenue	756	717
Operating Segments [Member] | Royalties [Member] | International Licensees [Member] | Enterprise Division [Member]
Disaggregation of Revenue [Line Items]
Revenue	$ 2,593	$ 2,265